How it Works
Try Naxlex NCLEX-RN (Free-Trial)

What stomach secretion is necessary for normal hemoglobin production in RBCs?

A.

intrinsic factor

B.

gastric lipase

C.

pepsinogen

D.

HCI

Answer and Explanation

The Correct Answer is A

A. Intrinsic factor: Intrinsic factor, secreted by parietal cells, is essential for vitamin B₁₂ absorption in the ileum. Vitamin B₁₂ is needed for RBC production and hemoglobin synthesis.
B. Gastric lipase: Gastric lipase breaks down lipids, not involved in hemoglobin production.
C. Pepsinogen: Pepsinogen is converted to pepsin, which digests proteins-not related to RBC or hemoglobin synthesis.
D. HCl: Hydrochloric acid helps activate enzymes and digest food, but does not directly influence hemoglobin production.


Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Free Nursing Study Resources

Related Questions

Correct Answer is A

Explanation

A. Nitrogen: Nitrogen is a gas and a component of proteins and nucleic acids, but it does not function as a buffer system in the body.
B. Bicarbonate: The bicarbonate buffer system is the primary buffer system in the extracellular fluid, regulating blood pH.
C. Phosphate: The phosphate buffer system operates mainly in the intracellular fluid and renal tubules.
D. Protein: Proteins, especially hemoglobin, act as buffers by binding or releasing hydrogen ions.

Correct Answer is E

Explanation

A. 2 ATP: This is the ATP yield from glycolysis (net gain), not fatty acid oxidation.
B. 18 ATP: Too low for a 16-carbon fatty acid-this number is far below the actual ATP yield from fatty acid metabolism.
C. 36 ATP: This is the approximate ATP yield from glucose oxidation, not a 16-carbon fatty acid.
D. 38 ATP: Also close to glucose metabolism; still too low.
E. 129 ATP: Beta-oxidation of a 16-carbon fatty acid (e.g., palmitic acid) generates 129 ATP molecules, making it far more energy-dense than glucose.

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

Register